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17 March 2023 New optical features of substitutional defects in 2D materials
Shengxi Huang
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Proceedings Volume PC12410, Nanoscale and Quantum Materials: From Synthesis and Laser Processing to Applications 2023; PC1241004 (2023) https://doi.org/10.1117/12.2648642
Event: SPIE LASE, 2023, San Francisco, California, United States
Abstract
Substitutional defects in 2D materials present unique opportunities for optoelectronic and quantum information platforms. This paper will introduce two types of substitutional defects. The first type is atomic substitution: a nitrogen atom substituting a chalcogen atom in 2D transition metal dichalcogenides (TMDs), which yields new photoluminescence features [1]. The second type is layer substitution: an entire layer of chalcogen atoms in 2D TMD substituted by another type of chalcogen atoms, namely, Janus TMDs. Janus TMDs form unconventional interaction with adjacent materials [2,3]. [1] ACS Nano, 16(5), 7428 (2022). [2] JACS, 142(41), 17499 (2020). [3] ACS Nano, 15(9), 14394 (2021).
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Shengxi Huang "New optical features of substitutional defects in 2D materials", Proc. SPIE PC12410, Nanoscale and Quantum Materials: From Synthesis and Laser Processing to Applications 2023, PC1241004 (17 March 2023); https://doi.org/10.1117/12.2648642
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KEYWORDS
Chemical species
Luminescence
Nitrogen
Heterojunctions
Optoelectronic devices
Quantum information
Spectroscopy
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